Energy storage
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- See also: Nuclear_power_reconsidered
This article is a brief summary of the technologies relevant to the large-scale energy storage[1] needed for wind and solar and other intermittent energy sources.
Pumped hydro
Thermal
Hydrogen
![](/wiki/images/thumb/8/81/Fuel_Energy_Density.png/350px-Fuel_Energy_Density.png)
Comparison of specific energy (energy per mass or gravimetric density) and energy density (energy per volume or volumetric density) for several fuels.[2]